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Wind Tunnel Testing of High-Rise Buildings by David Scott, Roy Denoon, Peter Irwin

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1.0 Introduction

The main structure of a tall building and its façade must be designed to safely withstand the extreme winds to which the building will be subjected during its expected life. Determining what the wind loads will be for specific mean recurrence intervals, and what the uncertainties are in these loads is critical. The wind loads, and appropriate load factors that allow for uncertainty in ordinary buildings, are often prescribed by the analytical methods given in building codes. But for tall buildings, in view of the importance of wind loads to their cost and safety, these analytical methods often lack the precision needed. Also, they do not account well for important wind phenomena, such as crosswind excitation, aerodynamic interactions ...

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